Vibration grouting reinforcement device for silty-fine sand stratum

The utility model relates to the technical field of environment restoration, in particular to a silty-fine sand stratum vibration grouting reinforcement device which comprises an audio frequency vibration drilling mechanism and a grouting mechanism. The audio frequency vibration drilling mechanism comprises an audio frequency power head capable of moving up and down, a hollow drill rod installed at the output end of the audio frequency power head and a drill bit arranged at the lower end of the hollow drill rod. Permeation holes communicating the interior of the hollow drill rod with the exterior of the drill bit are formed in the drill bit; the grouting mechanism comprises a liquid A storage box, a liquid B storage box, a liquid A injection pump in pipeline connection with the liquid A storage box, a liquid B injection pump in pipeline connection with the liquid B storage box, a mixer in pipeline connection with the liquid A injection pump and the liquid B injection pump, and a hose connected with the output